a=load('sphere_plate_MLFMA.dat');
b=load('sphere_plate_PO.dat');

figure(1);
plot(a(:,1),a(:,2),'b-');
hold on;
plot(a(:,1),b(:),'r+-','MarkerSize',3);
xlabel('\theta_s');
ylabel('RCS(dBsm)');
title('Vertical radiation pattern');
legend('MLFMA','PO-MM Hybrid');